<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" href="../dierjieke/111.css"/>
    <link rel="stylesheet" href="../dierjieke/flex.css"/>
</head>
<body>

<div class="a">
    <div class="b"></div>
</div>

<div class="a" flex="main:center">
    <div class="b"></div>
</div>

<div class="a" flex="main:right">
    <div class="b"></div>
</div>

<div class="a" flex="cross:center">
    <div class="b"></div>
    </div>

    <div class="a" flex="cross:center">
        <div class="b"></div>
        </div>

<div class="a" flex="cross:center main:center">
    <div class="b"></div>
</div>

<div class="a" flex="cross:center main:right">
    <div class="b"></div>
</div>

<div class="a" flex="cross:bottom">
    <div class="b"></div>
</div>

<div class="a" flex="cross:bottom main:center">
    <div class="b"></div>
</div>

<div class="a" flex="cross:bottom main:right">
    <div class="b"></div>
</div>











</body>
</html>